live build: wheres's its the setup of the display managers? for others that not the defaults?

[PICCORO McKAY Lenz <mckaygerhard@gmail.com>]

i want ot ask where its the setup of the display managers..

currently there only 2 display managers, gdm and lightdm..

i want to configure also the kdm (trinity desktop) (in buster and
others using live-build)

also configure the slim display manager (in jessie and wheezy build
using live-build)

thanks in advance

-- 
Lenz McKAY Gerardo (PICCORO)
http://qgqlochekone.blogspot.com